diff --git a/htdocs/adherents/card.php b/htdocs/adherents/card.php
index c6ec8569a09..f8289e04cb2 100644
--- a/htdocs/adherents/card.php
+++ b/htdocs/adherents/card.php
@@ -286,7 +286,7 @@ if (empty($reshook))
 			$object->firstname   = trim(GETPOST("firstname", 'alpha'));
 			$object->lastname    = trim(GETPOST("lastname", 'alpha'));
 			$object->gender      = trim(GETPOST("gender", 'alpha'));
-			$object->login       = trim(GETPOST("login", 'alpha'));
+			$object->login       = trim(GETPOST("login", 'alphanohtml'));
 			$object->pass        = trim(GETPOST("pass", 'alpha'));
 
 			$object->societe     = trim(GETPOST("societe", 'alpha'));
@@ -453,7 +453,7 @@ if (empty($reshook))
 		$facebook=GETPOST("member_facebook", 'alpha');
         $linkedin=GETPOST("member_linkedin", 'alpha');
 		$email=preg_replace('/\s+/', '', GETPOST("member_email", 'alpha'));
-		$login=GETPOST("member_login", 'alpha');
+		$login=GETPOST("member_login", 'alphanohtml');
 		$pass=GETPOST("password", 'alpha');
 		$photo=GETPOST("photo", 'alpha');
 		//$comment=GETPOST("comment",'none');
@@ -914,7 +914,7 @@ else
 		// Login
 		if (empty($conf->global->ADHERENT_LOGIN_NOT_REQUIRED))
 		{
-			print '<tr><td><span class="fieldrequired">'.$langs->trans("Login").' / '.$langs->trans("Id").'</span></td><td><input type="text" name="member_login" class="minwidth300" maxlength="50" value="'.(isset($_POST["member_login"])?GETPOST("member_login", 'alpha', 2):$object->login).'" autofocus="autofocus"></td></tr>';
+			print '<tr><td><span class="fieldrequired">'.$langs->trans("Login").' / '.$langs->trans("Id").'</span></td><td><input type="text" name="member_login" class="minwidth300" maxlength="50" value="'.(GETPOSTISSET("member_login") ? GETPOST("member_login", 'alphanohtml', 2):$object->login).'" autofocus="autofocus"></td></tr>';
 		}
 
 		// Password
@@ -1171,7 +1171,7 @@ else
 		// Login
 		if (empty($conf->global->ADHERENT_LOGIN_NOT_REQUIRED))
 		{
-			print '<tr><td><span class="fieldrequired">'.$langs->trans("Login").' / '.$langs->trans("Id").'</span></td><td><input type="text" name="login" class="minwidth300" maxlength="50" value="'.(isset($_POST["login"])?GETPOST("login", 'alpha', 2):$object->login).'"></td></tr>';
+			print '<tr><td><span class="fieldrequired">'.$langs->trans("Login").' / '.$langs->trans("Id").'</span></td><td><input type="text" name="login" class="minwidth300" maxlength="50" value="'.(GETPOSTISSET("login") ? GETPOST("login", 'alphanohtml', 2):$object->login).'"></td></tr>';
 		}
 
 		// Password